v4.0.1-rc.2

Added

web3-errors

• InvalidPropertiesForTransactionTypeError with error code 429 (#6102)

web3-eth-contract

• Added support for getPastEvents method to filter allEvents and specific event (#6010)
• Added maxPriorityFeePerGas and maxFeePerGas in ContractOptions type and updated function using it in utils (#6118)
• Added method's type autodetection by ABI param (#6137)

web3-types

• Added filters param to the Filter type (#6010)
• Added types JsonRpcSubscriptionResultOld, Web3ProviderMessageEventCallback. Added .on('data') type support for old providers (#6082)
• Export for HardforksOrdered enum (#6102)
• Export for Web3ValidationErrorObject type (#6102)

web3-utils

• Optional hexstrict parameter added to numberToHex (#6004)

Fixed

web3-eth

• Fixed ignoreGasPricing bug with wallet in context (#6071)

web3-eth-accounts

• Fixed ESM import bugs reported in (#6032) and (#6034)
• ESM projects will not need to run --experimental-specifier-resolution=node (#6127)

Changed

web3-core

• Replaced Buffer for Uint8Array (#6004)

web3-errors

• Nested Smart Contract error data is extracted at Eip838ExecutionError constructor and the nested error is set at innerError (#6045)

web3-eth

• formatTransaction no longer throws a TransactionDataAndInputError if it's passed a transaction object with both data and input properties set (as long as they are the same value) (#6064)
• Refactored documentation for rpc_method_wrappers to point to the previously duplicated documentation found under the Web3Eth class documentation (#6054)
• Replaced Buffer for Uint8Array (#6004)
• Refactored defaultTransactionTypeParser to return correct EIP-2718 types, prior implementation was prioritizing transaction.hardfork and ignoring the use of transaction.gasLimit. defaultTransactionTypeParser will now throw InvalidPropertiesForTransactionTypeErrors for properties are used that are incompatible with transaction.type (#6102)
• prepareTransactionForSigning and defaultTransactionBuilder now accepts optional fillGasPrice flag and by default will not fill gas(#6071)

web3-eth-abi

• Nested Smart Contract error data hex string is decoded when the error contains the data as object (when the data hex string is inside data.originalError.data or data.data) (#6045)

web3-eth-accounts

• Replaced Buffer for Uint8Array (#6004)
• The methods recover, encrypt, privateKeyToAddress does not support type Buffer but supports type Uint8Array (#6004)
• The method parseAndValidatePrivateKey returns a type Uint8Array instead of type Buffer (#6004)

web3-providers-ipc

• Replaced Buffer for Uint8Array (#6004)

web3-types

• Removed chainId, to, data & input properties from NonPayableCallOptions
• Replaced Buffer for Uint8Array (#6004)
• types FMT_BYTES.BUFFER, Bytes and FormatType and encryption option types for salt and iv has replaced support for Buffer for Uint8Array (#6004)
• Added internalType property to the AbiParameter type.

web3-utils

• Replaced Buffer for Uint8Array (#6004)
• The methods hexToBytes, randomBytes does not return type Buffer but type Uint8Array (#6004)
• The methods sha3 and keccak256Wrapper does not accept type Buffer but type Uint8Array (#6004)
• The method bytesToBuffer has been removed for the usage of bytesToUint8Array (#6004)

web3-validator

• Replaced Buffer for Uint8Array (#6004)

Removed

web3-eth-ens

• Removed non read-only methods (#6084)

web3-validator

• Web3ValidationErrorObject type is now exported from web3-types package (#6102)